# -*- coding:utf-8 -*-
# @Author: shenyuyu
# @Time: 2023/6/12 11:50
# @File: qu_11.py

# 输出9*9口诀。 程序分析：分行与列考虑，共9行9列，i控制行，j控制列。

a = 1
while a <= 9:
    b = 1
    while b <= a:
        print("%dx%d=%d" % (a, b, (a * b)), end="\t")
        b += 1
    print()
    a += 1
